7971860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30661}}^1$

素因数の和:30683

約数の個数: 24

約数和(自身を含む): 18029256

約数和(自身を除く): 10057396

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 30661, 61322, 122644, 153305, 306610, 398593, 613220, 797186, 1594372, 1992965, 3985930, 7971860]

約数ペア:

[(1, 7971860), (2, 3985930), (4, 1992965), (5, 1594372), (10, 797186), (13, 613220), (20, 398593), (26, 306610), (52, 153305), (65, 122644), (130, 61322), (260, 30661)]